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Dovetail finder
scope bases
Coarse focus knob
Millimeter and inch scales
2" accessary collar
a
Drawtube tension
adjustment knob
Figure 1. A) The 6" RC's Crayford focuser, top view. B) Both the drawtube tensioning and lock knobs are located on the
underside of the focuser.
B
Grip-ring
Coarse focus knob
Drawtube
Thumbscrew locks
1.25" adapter
Brass compression ring
Drawtube
lock knob
Focuser attachment collar
Fine focus knob
3
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